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HASKELL PWA-SWP

PWS ID: OK3005122 · HASKELL, Oklahoma 74436

HASKELL PWA-SWP serves 250 people in HASKELL, Oklahoma using Surface Water water sources. It has 551 recorded EPA violations, including 430 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HASKELL PWA-SWP

HASKELL PWA-SWP is a local-owned community water system that delivers drinking water to 250 residents in HASKELL, Oklahoma (Muskogee County) through 143 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 551 total violations for this system , of which 430 (78%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 94 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 319 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Oklahoma, EPA tracks 1,262 public water systems serving 3,699,452 people, with 336,706 cumulative violations and 113,804 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 266.8 violations. HASKELL PWA-SWP's 551 violations sit above the Oklahoma average. Statewide, 101 of 166 UCMR5-tested systems have reported PFAS detections (60.8%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
250
Total Violations
551
Health-Based Violations
430
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
143
County
Muskogee
School/Daycare
No
MCL Violations
428
Monitoring Violations
94
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 319 2025
Total Haloacetic Acids (HAA5) MCL 109 2025
Coliform (TCR) MR 30 2008
TTHM MR 29 2021
Total Haloacetic Acids (HAA5) MR 23 2017
Lead and Copper Rule MR 5 2013
Chlorine MR 4 2017
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2009
Consumer Confidence Rule Other 2 2022
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for HASKELL PWA-SWP.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID OK3005122 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Oklahoma Drinking Water Authority

Oklahoma's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find OK regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 TTHM MCL 319 SDWIS / OK3005122 / 2950
2025 Total Haloacetic Acids (HAA5) MCL 109 SDWIS / OK3005122 / 2456
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / OK3005122 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / OK3005122 / 5200
2022 Consumer Confidence Rule Other 2 SDWIS / OK3005122 / 7000
2021 TTHM MR 29 SDWIS / OK3005122 / 2950
2017 Total Haloacetic Acids (HAA5) MR 23 SDWIS / OK3005122 / 2456
2017 Chlorine MR 4 SDWIS / OK3005122 / 0999
2013 Lead and Copper Rule MR 5 SDWIS / OK3005122 / 5000
2009 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 SDWIS / OK3005122 / 0600
2008 Coliform (TCR) MR 30 SDWIS / OK3005122 / 3100

How HASKELL PWA-SWP Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric HASKELL PWA-SWP Oklahoma avg Federal benchmark
Total violations 551 266.8 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 430 90.2 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.8% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 250 2,931 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,262 regulated public water systems in Oklahoma.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is HASKELL PWA-SWP water safe to drink?
HASKELL PWA-SWP (PWS ID: OK3005122) has 551 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Surface Water sources.
How many people does HASKELL PWA-SWP serve?
HASKELL PWA-SWP serves 250 people in HASKELL, Oklahoma. It is a Local-owned system using Surface Water water sources with 143 service connections.
What type of violations does HASKELL PWA-SWP have?
HASKELL PWA-SWP has 551 total violations: 430 health-based violations (MCL exceedances or treatment failures), 94 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HASKELL PWA-SWP water?
No PFAS testing data is available for HASKELL PWA-SWP under the EPA's UCMR5 monitoring program.
What water source does HASKELL PWA-SWP use?
HASKELL PWA-SWP uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial